may

where power is given to public officers, in the language of the act before us, or in equivalent language—whenever the public interest or individual rights call for its exercise—the language used, though permissive in form, is in fact peremptory. What they are empowered to do for a third person the law requires shall be done. The power is given, not for their benefit, but for his. It is placed with the depositary to meet the demands of right, and to prevent a failure of justice. It is given as a remedy to those entitled to invoke its aid, and who would otherwise be remediless. In all such cases it is held that the intent of the legislature, which is the test, was not to devolve a mere discretion, but to impose 'a positive and absolute duty.